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Water system · PWSID CA3910022

LITTLE POTATO SLOUGH MUTUAL

100
Excellent
PurityRadar safety score

PWSID

CA3910022

State

California

City

LODI

Population served

1,510

Primary source

Surface water

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

10

Violations on record

0

Unaddressed

5

Health-based

15

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2023. Official EPA record →

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2021 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2019 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2019 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jan 2019 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2016 Resolved
Other began Nov 2004 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2004 Resolved
Monitoring & reporting · Total coliform began Aug 2003 Resolved
Monitoring & reporting · EPA contaminant 0200 began Mar 2001 Resolved
Monitoring & reporting · Total coliform began Dec 1999 Resolved

Recent enforcement actions

  • State action · SOX Jun 2023
  • State action · SFL Feb 2022
  • State action · SOX Nov 2020
  • State action · SOX Jul 2019
  • State action · SOX Jul 2019
  • State action · SOX May 2019
  • State action · SFL May 2019
  • State action · SFL May 2016

This profile is built from EPA public records for system CA3910022 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.